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		<h2>Render via PNG</h2>
		<p>1. Write a Graphviz file:</p>
		<p><pre>::data::</pre></p>
		<p>2. Let Graphviz render it to a PNG</p>
		<p><pre>::command::</pre></p>
		<p>3. Display the PNG in an HTML file</p>
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			<img src="::graph::" border="0" />
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